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Patent Searching and Data


Matches 601 - 650 out of 10,587

Document Document Title
WO/2013/153684A1
In order to prevent oil leaks between a valve plate and a cylinder block more reliably without causing the support ends of a center shaft and the support ends of piston rods to separate from the end face of a drive shaft, a center shaft ...  
WO/2013/152568A1
Disclosed is a plunger pump, wherein at least two crank throws (5) are provided on a crankshaft (4), a connecting rod (6) is connected to the crank throws (5), and the other end of the connecting rod (6) drives a piston in an upward and ...  
WO/2013/152889A1
The invention relates to a pump element with a piston guiding unit (2) which receives a piston (3) that can be moved by means of an actuating part (4) and a spring (9). The piston guiding unit (2) can be fixed on or in a housing (1), and...  
WO/2013/143952A1
The invention relates to a hydrostatic axial piston machine having a housing, having a drive shaft, to which a flange disc is fastened in a rotationally fixed manner, and having a swash plate, to which a rotor disc, driven by the drive s...  
WO/2013/145889A1
Provided is a composite plain bearing having excellent characteristics such as heat resistance, creep resistance under high contact pressure, low friction, and wear resistance while capable of being manufactured with high productivity. A...  
WO/2013/146802A1
The purpose of the present invention is to reduce the pressure loss of a hydraulic pump. Ports (11, 12) are formed in a port plate (10). The port plate (10) and a piston unit rotate relative to each other about the rotation axis (S). Val...  
WO/2013/145819A1
A servo regulator which moves a servo piston on the basis of operating fluid pressures in two pressure chambers is provided with: a sleeve which is inserted in an insertion hole formed in a case and which has a supply port capable of sup...  
WO/2013/143953A1
Hydraulic transformer having two hydrostatic part machines, wherein at least one part machine is a hydrostatic axial piston machine of swash plate design with a drive shaft (35), on which a flange disc (34) is fastened fixedly so as to r...  
WO/2013/143906A1
The invention relates to a hydrostatic axial piston machine having a plurality of individual cylinder sleeves which are each mounted in a pivotable manner to a radially expandable bearing head. A radially expanded head of a piston is mov...  
WO/2013/146576A1
In the present invention, a fluid pressure drive unit provides working fluid to a fluid pressure actuator and drives the same. The fluid pressure drive unit is provided with the following: a fluid pressure pump that sucks in and ejects t...  
WO/2013/143924A1
The invention relates to a hydrostatic axial piston machine having a plurality of individual cylinder sleeves which are coupled to a first and a second rotatable part, so that the two rotatable parts and the cylinder sleeves rotate durin...  
WO/2013/146575A1
In the present invention, a fluid pressure drive unit provides working fluid to a fluid pressure actuator and drives the same. The fluid pressure drive unit is provided with the following: a fluid pressure pump that sucks in and ejects t...  
WO/2013/146393A1
Sliding members that make sliding contact with each other, with the sliding part of one of the sliding members being formed by means of amorphous carbon and the sliding part of the other sliding member being formed by means of a copper a...  
WO/2013/140064A1
The invention relates to a hydraulic motor (1) that can be actuated in both directions, the hydraulic motor comprising two bidirectional hydraulic ports (A, B), each of which can be connected, selectively depending on the direction of ro...  
WO/2013/140879A1
A machine for raising/reducing hydraulic pressure (100) capable of continuously supplying an output pressure is provided with: at least one input-pressure chamber to which is applied an input pressure from a head-side pressure chamber (1...  
WO/2013/113693A3
A pump head (14) for a high-pressure fuel pump is disclosed. The pump head comprises a head housing including a body portion (24), and a turret portion (30) extending from the body portion (24), a pumping chamber (36) defined within the ...  
WO/2013/139498A1
A high-pressure pump (1), used in particular as a radial or in-line piston pump for fuel injection systems of air-compressing, self-igniting internal-combustion engines, comprises a pump housing (2) and a cylinder head (3) connected to s...  
WO/2013/135991A1
A hydraulic variable displacement machine, in particular for a motor vehicle, comprising a barrel (8) rotationally connected to an intake shaft (6), comprising axial cylinders (10) each accommodating a piston (12), and rods (14) having s...  
WO/2013/131736A1
Disclosed is a digitally adjustable hydraulic radial piston engine that has a central part. A low pressure valve and at least one high pressure valve are associated with a respective cylinder-piston unit of the radial piston engine. Furt...  
WO/2013/131662A1
The invention relates to a piston pump, in particular a high-pressure fuel pump, comprising a housing (1), a piston and a drive shaft (2) having a cam section (3) on which the piston is at least indirectly supported via a guide roller (5...  
WO/2013/127546A1
The invention relates to a high-pressure pump for a fuel injection system, comprising at least one pump element (1) with a pump piston (2) which can carry out a stroke movement and with a driveshaft (3), via which the pump piston (2) can...  
WO/2013/127648A1
The invention relates to an electrohydraulic system which has a dual-circuit pump, the displacement volumes of which can be adjusted above zero, and which dual-circuit pump has four working connectors and, in order to adjust the displace...  
WO/2013/124560A1
A compact hydraulic unit (12) for providing a vehicle with drive power, comprising a housing (16) in which a hydraulic motor (11) is housed comprising a distribution plate (13) and a cylinder (9) arranged to either side of a common fixed...  
WO/2013/124559A1
A compact hydraulic unit (12) for providing a vehicle with drive power, comprising a housing (16) in which a hydraulic motor (11) is housed comprising a distribution plate (13), a plate (17) supporting floating cylinders (9), a plate (3)...  
WO/2013/124097A1
A high-pressure pump for supplying fuel to an internal combustion engine, comprising a pump body (2) having at least one pump element (4); the pump element (4) comprising a cylinder (8), a piston (9) slidable within the cylinder (8), and...  
WO/2013/124103A1
A high-pressure pump (1) for conveying a fluid, more particularly fuel such as diesel, comprising preferably a drive shaft (2) having at least one cam (3), a housing (8), at least one piston (5), at least one cylinder (6) for bearing the...  
WO/2012/168083A3
The invention proceeds from an axial piston machine of swash-plate design having a piston drum (14, 36), wherein the piston drum (14, 36) is connected fixedly to a drive shaft (12) so as to rotate with it, which drive shaft (12) rotates ...  
WO/2013/092968A3
The invention relates to a pump having at least one pump element (10), which comprises a pump piston (12) that is driven in a stroke movement, is movably guided in a cylinder bore (20) of a housing part (22) of the pump and delimits a pu...  
WO/2013/117374A1
The invention relates to a component comprising at least one spring-loaded movement element which is connected to the component, in particular the invention relates to a housing part (1) comprising a spring-loaded pump piston (3). The co...  
WO/2013/116430A1
A bent axis, variable displacement inline drive device (100) may comprise: a port plate (110) having fluid passages; a cylinder block (130) rotatably mounted adjacent the port plate (110) and having axial cylinders (132) having openings ...  
WO/2013/116820A1
A pumping device compresses fluid, provides a vacuum, or both compresses fluid and provides a vacuum. A pumping device may be used to force gas through a sieve bed, draw gas out of a sieve bed, or both force gas through a sieve bed and d...  
WO/2013/113109A1
A hydroelectric power system and pump suitable for the system are disclosed which can make efficient use of the energy available in water flows with considerably variable flow rates. A simple, compact variable displacement axial piston p...  
WO/2013/113544A1
The invention relates to a high-pressure pump (1) for conveying a fluid, particularly a fuel such as diesel, which comprises: a drive shaft (2) that has at least one cam (3); at least one piston (5); at least one cylinder (6) for mountin...  
WO/2013/001036A3
The invention especially relates to a fuel pump for the compression of fuel, comprising at least two compressor pistons, an eccentric chamber which accommodates the at least two compressor pistons such that they can be displaced axially ...  
WO/2013/107519A1
The invention relates to a piston pump (10) for a high-pressure cleaning device, having a plurality of pump chambers (22), into which in each case one piston (24) which can move to and fro dips and which are flow-connected in each case v...  
WO/2013/107520A1
The invention relates to a piston pump (10) for a high-pressure cleaning device having a plurality of pump chambers (20), into which in each case one piston (22) which can move to and fro dips and which are flow-connected in each case vi...  
WO/2013/106261A1
A sealing arrangement (40) is provided for sealing an interface between a casing main body (12) and a casing end cover (16). A circumferential lip (42) on the casing main body (12) defines a first radially facing circumferential surface ...  
WO/2013/098301A1
The invention relates to a high-pressure fuel pump, in particular a plug-in pump, for a fuel injection system for injecting fuel into the combustion chamber of an internal combustion engine, comprising a pump piston (1) which can carry o...  
WO/2013/098116A1
A high pressure pump for the delivery of a fluid, comprises: - a pump body (101), - a piston (102), the piston being axially movable within the pump body (101) and comprising a first part (103) arranged within the pump body (101) and a s...  
WO/2013/098300A1
The invention relates to a high-pressure fuel pump for a fuel injection system for injecting fuel into the combustion chamber of an internal combustion engine, comprising at least one pump element (1) having a reciprocating pump piston (...  
WO/2013/072207A3
The invention relates to an axial piston machine (18), with a housing (1), for pump and/or motor operation with a variably adjustable displacement volume, having a pivot cradle (2) which can be pivoted by a first adjustment device (3) wi...  
WO/2013/098259A1
The pump has a driveshaft (12), which is rotationally driven in a rotational direction (15) by a drive device (14), and at least one pump element (18) which has a pump piston (20) that is driven by a cam (16) of the driveshaft (12) in a ...  
WO/2013/092614A1
The pump has at least one pump element (10) with a pump piston (12) driven in a stroke movement and a pump housing (22, 40) which has an interior space (42) in which a drive area (14, 18, 36) is arranged. The pump piston (12) moves alter...  
WO/2013/091931A1
In the case of a piston pump (10) for a vehicle brake system, having a piston (20) which is mounted in a cylinder (16) so as to be movable along an axis and on which are arranged an inlet valve (32) for the introduction of fluid into the...  
WO/2013/092865A1
The pump has a pump housing (22, 40), wherein at least one connector stub for a feed line (48) and/or a return line (50) of medium to and from the pump is arranged on the pump housing (40). The connector stub (46) is fastened in a recept...  
WO/2013/090253A1
A hydraulic module includes a pump housing with an opening in communication with an exterior surface of the pump housing. A plurality of pump chambers are in communication with the opening. A plurality of pump elements correspond to the ...  
WO/2013/087666A1
The invention relates to a hydrostatic axial piston machine with a housing, with a drive shaft onto which a circular flange is fastened in a rotationally fixed manner, with a rotatable rotor disc which is arranged or set in such a way th...  
WO/2013/083235A1
The invention relates to a control device provided for a hydrostatic piston machine that comprises an actuator piston for the purpose of adjusting a displacement element. The device comprises a housing, a regulating valve which has a reg...  
WO/2013/079519A1
The invention relates to a fuel delivery arrangement for a fuel injection system, more particularly a common rail injection system comprising a pre-supply pump (2), by means of which a fuel quantity suctioned from a fuel storage tank (1)...  
WO/2013/077355A1
A swash plate piston pump is provided with: pistons; a cylinder block having cylinders for receiving pistons; a swash plate for reciprocating the pistons for expanding and contracting the volume chambers of the cylinders as the cylinder ...  

Matches 601 - 650 out of 10,587